Patents by Inventor Mathias GYLLING

Mathias GYLLING has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method and system for starting an internal combustion engine of a hybrid vehicle
    Patent number: 11110910
    Abstract: Method and system for starting an internal combustion engine of a hybrid vehicle, adapted to rotate a drive shaft providing torque via a transmission unit comprising a first clutch connecting the engine to an input shaft of a gearbox connected to a torque converter connected to a second clutch connecting the torque converter to the at least one driving wheel, where the input shaft is connected to an electric machine; the method comprising: disengaging the second clutch to a predetermined torque level such that there is a slip in the second clutch; engaging the lock-up clutch; engaging the first clutch to bring the engine to a first rotational speed; disengaging the first clutch when the engine has reached the first rotational speed; starting the engine, and engaging the first clutch when the engine has started and rotates with a second rotational speed.
    Type: Grant
    Filed: February 26, 2019
    Date of Patent: September 7, 2021
    Assignee: Volvo Car Corporation
    Inventors: Andreas Eriksson, Andreas Jansson, Jonas Forssell, Mathias Gylling, Mats Bohman, Mattias Kroon
  • METHOD AND SYSTEM FOR STARTING AN INTERNAL COMBUSTION ENGINE OF A HYBRID VEHICLE
    Publication number: 20190299975
    Abstract: Method and system for starting an internal combustion engine of a hybrid vehicle, adapted to rotate a drive shaft providing torque via a transmission unit comprising a first clutch connecting the engine to an input shaft of a gearbox connected to a torque converter connected to a second clutch connecting the torque converter to the at least one driving wheel, where the input shaft is connected to an electric machine; the method comprising: disengaging the second clutch to a predetermined torque level such that there is a slip in the second clutch; engaging the lock-up clutch; engaging the first clutch to bring the engine to a first rotational speed; disengaging the first clutch when the engine has reached the first rotational speed; starting the engine, and engaging the first clutch when the engine has started and rotates with a second rotational speed.
    Type: Application
    Filed: February 26, 2019
    Publication date: October 3, 2019
    Inventors: Andreas ERIKSSON, Andreas JANSSON, Jonas FORSSELL, Mathias GYLLING, Mats BOHMAN, Mattias KROON